blob: f91812b12d8b76e395d9b2f571e3a8987ebaa322 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/*
* Copyright (C) 2010 B Labs Ltd
* Author: Alexey Zaytsev <alexey.zaytsev@gmail.com>
*
* barebox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* barebox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MACH_DEBUG_LL_H__
#define __MACH_DEBUG_LL_H__
#include <linux/amba/serial.h>
#include <io.h>
static inline void PUTC_LL(char c)
{
/* Wait until there is space in the FIFO */
while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF);
/* Send the character */
writel(c, 0x101F1000 + UART01x_DR);
/* Wait to make sure it hits the line, in case we die too soon. */
while (readl(0x101F1000 + UART01x_FR) & UART01x_FR_TXFF);
}
#endif
|